Answer:
k= -9
Step-by-step explanation:
2k-3=9k+63-3 [expand the 9(k+7) first]
2k-9k=63-3+3 [put the like terms together]
-7k=63 [do the simple math]
k= 63 ÷ by -7
k=-9
? can be any number except for 3 or -2 as it is already used in (3,4), (-2,-5)
a triangle adds to 180 degrees
we have 90 and 40 so the hypotenuse is 50 degrees
Answer:
I think it's b I'm not sure I'm sorry if it's wrong
